pho·​to·​de·​grad·​able ˌfō-tō-di-ˈgrā-də-bəl How to pronounce photodegradable (audio)
: chemically degradable by the action of light
photodegradable plastics

Examples of photodegradable in a Sentence

Recent Examples on the Web Oxo-degradable plastic breaks down faster under exposure to heat and light and photodegradable plastic breaks down more easily in sunlight. Grace Wu, Good Housekeeping, 11 July 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'photodegradable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of photodegradable was in 1971

Dictionary Entries Near photodegradable

Cite this Entry

“Photodegradable.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

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